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freedreno/ir3: handle IMMED for mad 2nd src special case

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Consider also immediates for swapping the first two srcs, because they
can be lowered to constant.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2018-01-30 12:18:13 -05:00
parent 242a8a1957
commit aea223741f
1 changed files with 4 additions and 2 deletions
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6
src/gallium/drivers/freedreno/ir3/ir3_cp.c
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@ -367,12 +367,13 @@ reg_cp(struct ir3_cp_ctx *ctx, struct ir3_instruction *instr,
*/
if ((n == 1) && is_mad(instr->opc) &&
!(instr->regs[0 + 1]->flags & (IR3_REG_CONST | IR3_REG_RELATIV)) &&
valid_flags(instr, 0, new_flags)) {
valid_flags(instr, 0, new_flags & ~IR3_REG_IMMED)) {
/* swap src[0] and src[1]: */
struct ir3_register *tmp;
tmp = instr->regs[0 + 1];
instr->regs[0 + 1] = instr->regs[1 + 1];
instr->regs[1 + 1] = tmp;
n = 0;
} else {
return;
@ -437,7 +438,8 @@ reg_cp(struct ir3_cp_ctx *ctx, struct ir3_instruction *instr,
debug_assert((opc_cat(instr->opc) == 1) ||
(opc_cat(instr->opc) == 6) ||
ir3_cat2_int(instr->opc));
ir3_cat2_int(instr->opc) ||
(is_mad(instr->opc) && (n == 0)));
if (new_flags & IR3_REG_SABS)
iim_val = abs(iim_val);